CVE security advisories and vulnerability history for FortiOS by Fortinet.
Last updated
Fortinet FortiOS has 283 published CVE records since 2005, of which 19 are in CISA's Known Exploited Vulnerabilities catalog and 28 have a known public exploit. The average CVSS base score across scored CVEs is 6.6.
This page aggregates every publicly disclosed vulnerability (CVE) affecting Fortinet FortiOS, with a severity breakdown, the affected and patched versions, the most common weakness types, and the full CVE list. Affected platforms include fim-7901e, fim-7904e, fim-7910e, fim-7920e, fim-7921f, fim-7941f.
How the CVSS severity of Fortinet FortiOS's CVEs breaks down, plus how many are exploited in the wild or have public exploit code.
In CISA’s Known Exploited Vulnerabilities catalog
19
19 of Fortinet FortiOS's CVEs are confirmed exploited in the wild.
Public exploits
28
28 of Fortinet FortiOS's CVEs have a known public exploit available.
Browse every Fortinet FortiOS version named in a CVE, then pick one to see only the CVEs that affect it.
The CWE weakness categories most often found in Fortinet FortiOS CVEs. Follow any weakness for its full explanation.
How many Fortinet FortiOS CVEs were published each year.
Browse vulnerabilities for other products by Fortinet.
Common questions about Fortinet FortiOS vulnerabilities.
Vulnerability data is sourced from the CVE Program; severity, KEV, and exploit signals are aggregated by RadicalNotion.AI.
Monitor new Fortinet FortiOS vulnerabilities as they are disclosed, with AI-written analysis and remediation guidance.
283 CVEs
Added to CISA KEV 2026-07-27
Added to CISA KEV 2026-01-27
Added to CISA KEV 2025-12-16
Showing 30 of 283
